English — Forum #723 (Page 178/642)

1. Industrial plasma purifier - HCBBS Forum
2. Solutions for the comprehensive utilization of calcium slag - HCBBS Forum
3. Issues regarding the welding of electrical and instrumentation supports and structures in foreign projects - HCBBS Forum
4. Butterfly valve standards - HCBBS Forum
5. Dry contact connection issue - HCBBS Forum
6. 【Weekly Topic】【Storage & Transportation Version 20160804】 - HCBBS Forum
7. In-depth Solutions to Typical Problems in Pressure Vessel Design - HCBBS Forum
8. Issues with air supply for sulfur recovery - HCBBS Forum
9. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 31 - HCBBS Forum
10. Issues regarding the installation of level gauges on liquefied gas cylinders - HCBBS Forum
11. Is it necessary to install a sump or valves for draining water outward through ditches in the cofferdam surrounding indoor acid and alkali storage tanks? - HCBBS Forum
12. What is the principle behind feeding the rich liquid from the sulfur unit into the regeneration tower to remove the absorbed hydrogen sulfide? - HCBBS Forum
13. Operating Procedures for Oxygen Pressure Regulation Room Safety Procedures Maintenance Procedures - HCBBS Forum
14. What to do if the pressure in the MTBE catalytic distillation tower is high? - HCBBS Forum
15. Calculation of pressure loss and selection of steam flowmeters (beginner, seeking help) - HCBBS Forum
16. Selection of metering pump model - HCBBS Forum
17. Temperature changes in pressure vessels cause weld cracks - HCBBS Forum
18. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； August 06 - HCBBS Forum
19. Should both the motor bracket and the enclosure be grounded for protection? - HCBBS Forum
20. Ask for the name of the accessory - HCBBS Forum
21. Inspiratory pressure - HCBBS Forum
22. Why does the chlorine system often experience pressure fluctuations? - HCBBS Forum
23. Issues regarding MTL and DCS serial communication - HCBBS Forum
24. Finally won the first gold medal of these Olympics - HCBBS Forum
25. Create and upload your own tutorials to earn money (software tutorials, device repair and disassembly guides, etc.) - HCBBS Forum
26. There are \"ten prohibitions\" for safe production – which ones do you need to avoid? - HCBBS Forum
27. Can the signal output by a thermal resistor or thermocouple be connected directly to a PLC for control without going through a transmitter? - HCBBS Forum
28. Safety Technology Exchange Edition: Daily Question (2016.8.2) - HCBBS Forum
29. Is a 304 stainless steel pipe with a pressure rating of 2.5 MPa, DN80, and a wall thickness of 3 mm safe for use? - HCBBS Forum
30. Are there any oxygen detectors that can provide dual explosion protection against both dust and gases? - HCBBS Forum
31. Upgrade of Beijing Kangjisen control system - HCBBS Forum
32. Fertilizer capacity reduction: Who will be affected? - HCBBS Forum
33. Harm, danger, and risk - HCBBS Forum
34. The Safety Officer has their own theme every month - HCBBS Forum
35. Urea price trends across China as of 08/02/2016 - HCBBS Forum
36. Conduct regular inspections of hazardous materials transport vehicles to prevent potential accidents - HCBBS Forum
37. 【Weekly Topic】【 Electrical Edition 20160808】 - HCBBS Forum
38. Technology for producing sulfuric acid from gypsum at low temperatures - HCBBS Forum
39. Centrifugal submersible pump - HCBBS Forum
40. How to choose a valve? - HCBBS Forum
41. 【Daily Topic】【Engineering Version 20160807】 - HCBBS Forum
42. Types of contracts - HCBBS Forum
43. What are the differences in the requirements for the adsorption capacity of molecular sieves toward N2O in membrane-based main-cooling air separation systems and bath-type main-cooling air separation systems? - HCBBS Forum
44. The hydrogenation unit is operating smoothly - HCBBS Forum
45. Environmental Protection Daily Post 8.08: Reward for participation is 3 points, plus an additional 5 points for answering correctly - HCBBS Forum
46. F347 and F316 - HCBBS Forum
47. Shenmu Tianyuan undertakes technological innovation in hydrogenation reactions for sulfur recovery systems - HCBBS Forum
48. Classification of gravitational sedimentation - HCBBS Forum
49. Seeking help with the repair of glass plate level gauges and magnetic flip board level gauges - HCBBS Forum
50. Regarding the issues related to atmospheric pressure towers and stripping towers, general process diagrams and simulations show three stripping towers; why is there only one tower in CAD? - HCBBS Forum
51. Siemens PLC touch screen is malfunctioning - HCBBS Forum
52. How to find the vapor pressure, boiling point, etc. of a solution in Aspen - HCBBS Forum
53. Removal of heavy metals from waste acid - HCBBS Forum
54. Which manufacturer can produce an expansion joint with a DN800 size and a compensation amount of around 300 mm? - HCBBS Forum
55. Is gas chromatography injection related to the flow of gas? - HCBBS Forum
56. Daily Question 2016.8.5 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question) - HCBBS Forum
57. Standards for buried storage tanks - HCBBS Forum
58. Seeking advice on temperature and pressure compensation for orifice plate flow meters - HCBBS Forum
59. Valve molds - HCBBS Forum
60. New applications of phosphates - HCBBS Forum
61. Urea price trends across China as of August 4, 2016 - HCBBS Forum
62. Why does water treated with nickel still have a light yellow color? - HCBBS Forum
63. Dear teachers, what are the shortcomings of the steel belt granulation process? - HCBBS Forum
64. Vent tower - HCBBS Forum
65. Regarding the situation where the operation signal remains active after the on-site equipment is shut down - HCBBS Forum
66. What are the differences in the internal structure of parallel slide valves, slide valves, and gate valves? Which expert has the pictures? - HCBBS Forum
67. Professional boundaries - HCBBS Forum
68. Definitions of suction height, allowable suction vacuum level, self-priming height, and suction range - HCBBS Forum
69. Search: Intermediate Engineer, professional qualification certificate - HCBBS Forum
70. What are good solutions for high ammonia nitrogen levels in wastewater treatment? Thank you - HCBBS Forum
71. Luck and effort – talking about how I passed the Juhua exam - HCBBS Forum
72. 【Weekly Topic】【Storage & Transportation Version 20160809】 - HCBBS Forum
73. 【Q&A Question 106】2016.08.04 - HCBBS Forum
74. China Chemical Industry News: Coal chemical industry gains further momentum through cross-sector integration - HCBBS Forum
75. Sulfuric acid plant flue gas absorption tower - HCBBS Forum
76. How to extract triethylene glycol from fusel oil? Ask for a method - HCBBS Forum
77. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； August 07 - HCBBS Forum
78. Questions regarding the selection of specialties for the senior engineer evaluation - HCBBS Forum
79. Without these \"bad habits,\" how can one dare to claim to work in safety? - HCBBS Forum
80. Newcomer Introduction – Changzhou Andelong Chemicals - HCBBS Forum
81. Internal floating disk tank level control - HCBBS Forum
82. Materials on the management of chemical processing workshops - HCBBS Forum
83. Where can I find the gas constant R for hydrogen? How much is it? - HCBBS Forum
84. I’m looking for a reliable manufacturer of butterfly valves for vacuum pipelines; could everyone recommend some? It would be best if they are located in the Jiangsu, Zhejiang, or Shanghai area - HCBBS Forum
85. Which i enterprises use Samsung centrifugal compressors or Atlas centrifugal compressors? - HCBBS Forum
86. Sign-in record post from July 30, 2016 - HCBBS Forum
87. Does formaldehyde react with liquid alkali? - HCBBS Forum
88. Who is the most suitable person to approve small-scale chemical projects? - HCBBS Forum
89. What is the purpose of automation? - HCBBS Forum
90. Weak trading drives the PVC market lower on weak demand - HCBBS Forum
91. Typical lifespan of outdoor wash basins made of PP material - HCBBS Forum
92. Dear marine friends, please recommend some materials on vibration diagnosis and analysis! - HCBBS Forum
93. 【Daily Question】Advanced Processing 20160805 Short Answer: What are the uses of liquefied gas? - HCBBS Forum
94. Cyclic hydrogen sampling - HCBBS Forum
95. 【Daily Topic】【Civil Engineering Version 20160728】 - HCBBS Forum
96. Questions and answers for the first morning of 2013 (including explanations for some questions). A total of 45 questions, incomplete version - HCBBS Forum
97. catalyst - HCBBS Forum
98. Substantial progress has been made in the development of the process software package for producing low-carbon mixed alcohols from syngas at a capacity of 100,000 tons per year by Shenhua Coal-to-Oil Engineering Company - HCBBS Forum
99. Issues regarding the separation of virtual components - HCBBS Forum
100. Sign-in record post dated July 29, 2016 - HCBBS Forum